56979243 has 12 divisors (see below), whose sum is σ = 82572048. Its totient is φ = 37862160.

The previous prime is 56979203. The next prime is 56979269. The reversal of 56979243 is 34297965.

It is a happy number.

It is not a de Polignac number, because 56979243 - 2⁶ = 56979179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56979203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7380 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (6881004).

Almost surely, 2^56979243 is an apocalyptic number.

56979243 is a deficient number, since it is larger than the sum of its proper divisors (25592805).

56979243 is a wasteful number, since it uses less digits than its factorization.

56979243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674 (or 20671 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 56979243 is about 7548.4596441923. The cubic root of 56979243 is about 384.8033920536.

The spelling of 56979243 in words is "fifty-six million, nine hundred seventy-nine thousand, two hundred forty-three".